Quote:
Originally Posted by Telecolor 3007
But what kind of capacitors does that 1928 radio haves?
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It has no electrolytic capacitors at all. Instead, it uses small(ish) paper capacitors and large inductors to bypass the AC power supply (this was one of the first pure AC socket line powered radios sold).
As far as the paper caps go, these caps are not like the ones from the early 30s and beyond: these caps used imported rice paper instead of rag paper. I admittedly don't have a lot of experience with 20s radios, but every cap I've ever checked has tested normally for value and leakage at full rated voltage.
John